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jek_recluse [69]
3 years ago
14

You own 5 pairs of jeans and want to take 2 of them with you on vacation. In how many ways can you choose 2 pairs of jeans?

Mathematics
1 answer:
balu736 [363]3 years ago
6 0

the answer would be D

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If the value of X is negative what equation still be true ?explain.
Brut [27]

Answer:

yes

Step-by-step explanation:

5 0
3 years ago
Which is the inverse of this matrix? A. B. C. D. E. The matrix is noninvertible.
kvasek [131]

Answer:

A.

-19 9 7

[15 -7 6 ]

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
7. In the accompanying diagram of rhombus CDEF, diagonal FD is drawn and the
tatiyna

Answer:

m∠CFD is 70°

Step-by-step explanation:

In the rhombus

  • Diagonals bisect the vertex angles
  • Every two adjacent angles are supplementary (their sum 180°)

Let us solve the question

∵ CDEF is a rhombus

∵ ∠E and ∠F are adjacent angles

→ By using the second property above

∴ ∠E and ∠F are supplementary

∵ The sum of the measures of the supplementary angles is 180°

∴ m∠E + m∠F = 180°

∵ m∠E = 40°

∴ 40° + m∠F = 180°

→ Subtract 40 from both sides

∵ 40 - 40 + m∠F = 180 - 40

∴ m∠F = 140°

∵ FD is a diagonal of the rhombus

→ By using the first property above

∴ FD bisects ∠F

→ That means FD divides ∠F into 2 equal angles

∴ m∠CFD = m∠EFD = \frac{1}{2} m∠F

∴ m∠CFD = \frac{1}{2} (140°)

∴ m∠CFD = 70°

6 0
3 years ago
How are colors used on this map?
IceJOKER [234]

Answer:

huh'?

Step-by-step explanation:

8 0
3 years ago
Jarrett wants to buy a really cool car but it costs $4,350 and he doesn’t have a job. The only job he can find will pay him $7.2
den301095 [7]

Answer:

30 weeks

Step-by-step explanation:

7.25 x 20 = 1 WEEK

1 WEEK= 145$

4,350 divided by 145=30

30 weeks

4 0
3 years ago
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